It won’t be quite a long time ________ your son is back, so don’t be worried.
#32772
A
that
B
since
C
before
D
until
推荐题目
---May I go and play with Tom this afternoon, mum? ---No．You can’t go out ______ your homework is being done．
#33631
A
until
B
after
C
before
D
as
The professor had no sooner finished his speech ________ the students started cheering.
#29967
A
since
B
when
C
than
D
as
----Will you tell the secret to the teacher? --- No! ____ asked to.
#34001
A
Even if
B
Even as
C
Even so
D
If
We haven't settled the problem of ________ it is necessary for him to study abroad.
#30307
A
why
B
whether
C
what
D
how